toldiers were killed in afghanistan this morning after they were shot by an afghan intelligence agency. the americans were part of a nato reconstruction team in a province 60 miles north of kabul the capital. the afghan agent reportedly got into the argument with the soldiers as the convoy passed their house. >>> astronauts aboard the space shuttle "atlantis" will spend their first day checking the shuttle's heat shields from liftoff. good morning, mark. >> reporter: it's hard to imagine the shuttle as a museum piece but after this mission that's exactly what it's going to become after one last trip to resupply the space station. with one final startling burst of power, "atlantis" reached for the heavens and history. >> from the shoulders of space shuttle, america will continue the dream. >> reporter: the last launch for the shuttle, the last space coast spectacular. chris bell's family was awed. >> i know how much enjoyment, how much excitement i got just seeing it launch on television and going to space camp and being a part growing up of that and i know this is something that at lea